{"id":"CVE-2026-90148","state":"PUBLISHED","title":"NFSv4: Fix incorrect argument passed to nfs4_delete_lease() in nfs4_add_lease()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFSv4: Fix incorrect argument passed to nfs4_delete_lease() in nfs4_add_lease()\n\nWhen nfs4_add_lease() races with a delegation return, it calls\nnfs4_delete_lease() to clean up. Previously, it passed priv,\nwhich can legitimately be NULL. Passing a NULL priv eventually\nleads to a NULL pointer dereference in generic_setlease().","publishedAt":"2026-09-17T16:06:42.992Z","updatedAt":"2026-10-30T12:34:22.770Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e93a5e9306a576011f03011b492d4fbaa274477b","status":"affected","lessThan":"c951b876cccd8a4e21fe8b9712894f6a2513ddbc","versionType":"git"},{"version":"e93a5e9306a576011f03011b492d4fbaa274477b","status":"affected","lessThan":"e25e5b4a764638ec9e2dc6c9affe080c922ea1f2","versionType":"git"},{"version":"e93a5e9306a576011f03011b492d4fbaa274477b","status":"affected","lessThan":"ff7244faa13b23e9acfad9df0438f0b44b338f62","versionType":"git"},{"version":"e93a5e9306a576011f03011b492d4fbaa274477b","status":"affected","lessThan":"d148a652d52fd6aee96daf798922eb800ebb3018","versionType":"git"},{"version":"e93a5e9306a576011f03011b492d4fbaa274477b","status":"affected","lessThan":"d179ff22cd8514f966966fd9ad425dcbb98e1ada","versionType":"git"},{"version":"e93a5e9306a576011f03011b492d4fbaa274477b","status":"affected","lessThan":"468e458ffde907ba19acd2102ca1fbb8f6fbede2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4proc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4proc.c"]}],"references":["https://git.kernel.org/stable/c/c951b876cccd8a4e21fe8b9712894f6a2513ddbc","https://git.kernel.org/stable/c/e25e5b4a764638ec9e2dc6c9affe080c922ea1f2","https://git.kernel.org/stable/c/ff7244faa13b23e9acfad9df0438f0b44b338f62","https://git.kernel.org/stable/c/d148a652d52fd6aee96daf798922eb800ebb3018","https://git.kernel.org/stable/c/d179ff22cd8514f966966fd9ad425dcbb98e1ada","https://git.kernel.org/stable/c/468e458ffde907ba19acd2102ca1fbb8f6fbede2"],"weaknesses":[],"ingestedAt":"2026-10-30T12:54:04.478Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90148.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90148","state":"PUBLISHED","datePublished":"2026-09-17T16:06:42.992Z","dateUpdated":"2026-10-30T12:34:22.770Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.789Z"},"containers":{"cna":{"title":"NFSv4: Fix incorrect argument passed to nfs4_delete_lease() in nfs4_add_lease()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFSv4: Fix incorrect argument passed to nfs4_delete_lease() in nfs4_add_lease()\n\nWhen nfs4_add_lease() races with a delegation return, it calls\nnfs4_delete_lease() to clean up. Previously, it passed priv,\nwhich can legitimately be NULL. Passing a NULL priv eventually\nleads to a NULL pointer dereference in generic_setlease()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e93a5e9306a576011f03011b492d4fbaa274477b","status":"affected","lessThan":"c951b876cccd8a4e21fe8b9712894f6a2513ddbc","versionType":"git"},{"version":"e93a5e9306a576011f03011b492d4fbaa274477b","status":"affected","lessThan":"e25e5b4a764638ec9e2dc6c9affe080c922ea1f2","versionType":"git"},{"version":"e93a5e9306a576011f03011b492d4fbaa274477b","status":"affected","lessThan":"ff7244faa13b23e9acfad9df0438f0b44b338f62","versionType":"git"},{"version":"e93a5e9306a576011f03011b492d4fbaa274477b","status":"affected","lessThan":"d148a652d52fd6aee96daf798922eb800ebb3018","versionType":"git"},{"version":"e93a5e9306a576011f03011b492d4fbaa274477b","status":"affected","lessThan":"d179ff22cd8514f966966fd9ad425dcbb98e1ada","versionType":"git"},{"version":"e93a5e9306a576011f03011b492d4fbaa274477b","status":"affected","lessThan":"468e458ffde907ba19acd2102ca1fbb8f6fbede2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4proc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4proc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c951b876cccd8a4e21fe8b9712894f6a2513ddbc"},{"url":"https://git.kernel.org/stable/c/e25e5b4a764638ec9e2dc6c9affe080c922ea1f2"},{"url":"https://git.kernel.org/stable/c/ff7244faa13b23e9acfad9df0438f0b44b338f62"},{"url":"https://git.kernel.org/stable/c/d148a652d52fd6aee96daf798922eb800ebb3018"},{"url":"https://git.kernel.org/stable/c/d179ff22cd8514f966966fd9ad425dcbb98e1ada"},{"url":"https://git.kernel.org/stable/c/468e458ffde907ba19acd2102ca1fbb8f6fbede2"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:34:22.770Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}